<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

class User extends Authenticatable
{
    use HasFactory, Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name',
        'email',
        'password',
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
    ];

    // 关联博客表
    public function blogs()
    {
        return $this->hasMany(Blogs::class);
    }

    //粉丝
    public function follow()
    {
        return $this->belongsToMany(User::class, 'follows', 'user_id', 'follower');
    }

    //关注
    public function following()
    {
        return $this->belongsToMany(User::class, 'follows', 'follower', 'user_id');
    }

    //是否关注
    public function is_follow($uid)
    {
        return $this->follow()->wherePivot('follower', $uid)->first();
    }

    //关注和取消关注
    public function followToggle($user)
    {
        $ids = is_array($user) ?: [$user];
        return $this->follow()->withTimestamps()->toggle($ids);
    }

}
